972020123 has 2 divisors, whose sum is σ = 972020124. Its totient is φ = 972020122.

The previous prime is 972020111. The next prime is 972020141. The reversal of 972020123 is 321020279.

It is a weak prime.

It is an emirp because it is prime and its reverse (321020279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 972020123 - 2⁶ = 972020059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972020092 and 972020101.

It is not a weakly prime, because it can be changed into another prime (972020323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486010061 + 486010062.

It is an arithmetic number, because the mean of its divisors is an integer number (486010062).

Almost surely, 2^972020123 is an apocalyptic number.

972020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

972020123 is an equidigital number, since it uses as much as digits as its factorization.

972020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 972020123 is about 31177.2372573325. The cubic root of 972020123 is about 990.5850104939.

The spelling of 972020123 in words is "nine hundred seventy-two million, twenty thousand, one hundred twenty-three".